Product Overview
The SNR4020 Series are automatic assembly, magnetic resin shielded SMD power inductors designed to reduce buzz noise to ultra-low levels. They feature a closed magnetic circuit design for reduced leakage flux and strong EMI resistance, offering large current capacity and low DCR. These inductors are ideal for space-constrained and power-efficient applications, finding use in a wide range of electronic devices including LED backlights, flat-screen TVs, notebooks, servers, automotive products, and DC-DC converters.
Product Attributes
- Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Series: SNR4020 Series
- Construction: Magnetic resin shielded, automatic assembly
- Certifications: RoHS, Halogen Free, REACH Compliance
Technical Specifications
| Model | Inductance (H) | Inductance Tolerance | Test Frequency | Test Voltage | DCR () Typical | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max | Dimensions (LWH mm) |
|---|---|---|---|---|---|---|---|---|---|
| SNR4020-R47M | 0.47 | 20% | 100KHz | 1.0V | 0.022 | 0.029 | 7.00 | 3.30 | 4.04.02.0 |
| SNR4020-1R0M | 1.0 | 20% | 100KHz | 1.0V | 0.029 | 0.038 | 4.78 | 2.15 | 4.04.02.0 |
| SNR4020-1R5M | 1.5 | 20% | 100KHz | 1.0V | 0.035 | 0.045 | 4.45 | 2.15 | 4.04.02.0 |
| SNR4020-2R2M | 2.2 | 20% | 100KHz | 1.0V | 0.035 | 0.046 | 3.40 | 1.85 | 4.04.02.0 |
| SNR4020-3R3M | 3.3 | 20% | 100KHz | 1.0V | 0.070 | 0.091 | 3.20 | 1.40 | 4.04.02.0 |
| SNR4020-4R7M | 4.7 | 20% | 100KHz | 1.0V | 0.075 | 0.098 | 2.35 | 1.34 | 4.04.02.0 |
| SNR4020-6R8M | 6.8 | 20% | 100KHz | 1.0V | 0.125 | 0.163 | 2.20 | 1.04 | 4.04.02.0 |
| SNR4020-8R2M | 8.2 | 20% | 100KHz | 1.0V | 0.148 | 0.185 | 1.75 | 1.00 | 4.04.02.0 |
| SNR4020-100M | 10 | 20% | 100KHz | 1.0V | 0.165 | 0.215 | 1.60 | 0.90 | 4.04.02.0 |
| SNR4020-150M | 15 | 20% | 100KHz | 1.0V | 0.230 | 0.300 | 1.35 | 0.77 | 4.04.02.0 |
| SNR4020-220M | 22 | 20% | 100KHz | 1.0V | 0.350 | 0.455 | 1.05 | 0.62 | 4.04.02.0 |
| SNR4020-330M | 33 | 20% | 100KHz | 1.0V | 0.550 | 0.710 | 0.85 | 0.49 | 4.04.02.0 |
| SNR4020-470M | 47 | 20% | 100KHz | 1.0V | 0.710 | 0.920 | 0.74 | 0.44 | 4.04.02.0 |
| SNR4020-680M | 68 | 20% | 100KHz | 1.0V | 1.060 | 1.380 | 0.60 | 0.36 | 4.04.02.0 |
Environmental Data
| Parameter | Value |
|---|---|
| Operating Temperature | -40 to +125 (Including coils self-temperature rise) |
Dimensions
| Part No | A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|
| SNR4020 | 4.00.3 | 4.00.3 | 2.0 Max | 2.10.2 | 3.30.2 | 1.1 Typ | 1.9 Typ | 3.7 Typ |
Packaging
| Packing Type | Description |
|---|---|
| Bulk Package | B |
| Tape & Reel | T |
Product Identification
Format: SNR 4020 [Inductance Value] [Tolerance] [Packing]
Example: SNR4020-470M T (SNR4020 Series, 47 H, 20% Tolerance, Tape & Reel Packing)
Inductance Tolerance Codes: J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30%
2410121442_LanTu-Micro-SNR4020-2R2MT_C5127379.pdf
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